Comfort audio DC20 Manual de usuario
SecureStream
Technology
Comfort Digisystem User Manual
Conference
Microphone
DC20
English
2
Conference Microphone DC20
User Manual
Table of Contents Page
Introduction to the Comfort Digisystem 3
Functions of the Conference Microphone DC20 4
Functions - Charger unit 5
Functions - Telelink 6
Functions - Remote DC05 7
Getting Started 8
First Time Use 9
Menu 11
More Functions 17
Radio Range and Channels 25
Attached Accessories 26
Other original Accessories 26
Trouble Shooting 27
Service and Warranty 28
Technical Data 29
Important Safety Instructions 30
3
Conference Microphone DC20
Introduction to the Comfort Digisystem
Thank you for choosing Comfort Digisystem.
The products are easy to use, whether you use a hearing aid or not.
Before using the product, please read this User Manual carefully.
Using the Conference Microphone DC20 combined transmitter and receiver,
the signal is transferred digitally, resulting in an excellent, interference-free
sound.
Comfort Digisystem is fitted with SST SecureStream Technology – a type of
digital technology allowing eavesdrop-secure radio transfer in real time.
Presenting the Conference Microphone DC20
The Conference Microphone DC20 is an advanced microphone offering the
option of setting the size and shape of the sound registering area. It can be
wirelessly connected to two telephones via Bluetooth (mobile/portable, etc.)
as well as to a landline using the original Telelink accessories. The DC20 is
also equipped with a built-in receiver which allows you to build a system of
several cordless microphones from the Digisystem series.
PSE (Perceptual Speech Enhancement)
The Conference Microphone DC20 is equipped with high-power sound pro-
cessing that is used in the two omni modes (omnidirectional). The method is
based on emphasising meaningful parts of speech. Please visit our website
for more information on how this technology works.
4
Conference Microphone DC20
Functions of the Conference Microphone DC20
On / Off
Answering button
for Bluetooth
Pairing button
Menu control/
volume control for Bluetooth
Charging socket Mic/line in
Multifunction socket
Function indicator
Mode selector
OFF button for built-in
microphones
OFF button for built-in
receiver
Microphones
5
Conference Microphone DC20
Functions - Charger unit
USB-socket
(for service)
Multifunction
socket
Charging
socket
Mic in
Line in
6
Conference Microphone DC20
Functions - Telelink
USB-socket
(for service)
Charging
socket
Mic/Line in
Telelink
connection
Function selector for
Mic/Line input
Multifunction
socket
Standby indicator
(green) Telephone mode
indicator (blue)
Standby/telephone button
7
Conference Microphone DC20
Functions - Remote DC05
Button for turning on the
receiver in the DC20 and for
raising the receiver level in
the DC20.
Button for turning on the
built-in microphone.
Button for selecting the DC20
to maxi omni mode (omni-
directional mode for long
distances).
Button for turning off the receiver
in the DC20 and for lowering the
receiver level in the DC20.
Button for turning off
the built-in microphone.
Button for setting the DC20
to mini omni mode (omni
directional mode for short
distances).
Battery compartment.
Function indicator.
8
Conference Microphone DC20
Getting Started
Charging
The Conference Microphone DC20 is chargeable. Charge the DC20 at least
five hours before you use it for the first time. An empty battery is fully charged
within five hours.
During charging, the function indicator shows red and a lightning bolt appears
through the battery symbol in the display. Once the battery symbol is filled
with green columns, the unit is fully charged and switches to automatic float
charging.
You must not change the battery yourself; please contact your point of pur-
chase.
Please note:
Only use the charger
supplied by Comfort Audio AB.
Connecting a charger to the
Conference Microphone DC20
9
Conference Microphone DC20
First Time Use
Switch on the transmitter by pressing the On/Off button
for around 2 sec.
The Conference Microphone DC20 has four different
microphone modes. To select the desired mode, use the push
keys located along the side of the unit.
The various microphone positions are located in the following order:
Illustration of the
microphone’s sound
capture, set in zoom
mode, both with the
microphone on the
table and placed in
a charging stand/
Telelink:
Used to pick up speech at short distances
in noisy environments. The microphone’s
sound capture direction changes automati-
cally depending on whether it is free-
standing or operated from a charging
stand/Telelink.
Used to pick up speech from all directions
at relatively short distances in noisy
environments.
PSE is active in this mode, i.e. the speech
is emphasised and distracting noise
dampened.
Used to pick up speech from all directions
at short or long distances in quiet or noisy
environments.
PSE is active in this mode, i.e. the speech
is emphasised and distracting noise
dampened.
Used to listen to other audio sources, e.g.
music.
- Zoom mode
- Mini omni mode
(omnidirectional)
- Maxi omni mode
(omnidirectional)
- Music mode
10
Conference Microphone DC20
OFF button for built-in microphones
This button can be used to switch off the built-in microphones.
An indicator is shown on the display.
OFF button for built-in receiver
Used to switch off the built-in receiver. See the
Built-in receiver
section. An
indicator is shown on the display.
Please note: The receiver level on the built-in receiver is set to 0 (zero) on
delivery. See the
Built-in receiver
section.
Other functions are explained later in this manual.
WARNING!
The necklace should not be used if there is a risk of getting stuck,
e.g. in a machine or other objects.
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2
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